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authorGregory Herrero <gregory.herrero@intel.com>2015-09-22 15:16:43 +0200
committerFelipe Balbi <balbi@ti.com>2015-10-01 12:40:16 -0500
commit6e74162f69c7fb6f60941ea7e94f1264bd6225fb (patch)
treea1f4b7f8955ce33ed996615d0b79f9794744ab1d /drivers/usb/dwc2
parent9afaf75508b0bec6ef38b83d97aa40701cc1b00c (diff)
usb: dwc2: host: ignore wakeup interrupt if hibernation supported
If hibernation is supported, resume of devices will be handled in bus_resume callback. Signed-off-by: Gregory Herrero <gregory.herrero@intel.com> Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@intel.com> Tested-by: Robert Baldyga <r.baldyga@samsung.com> Tested-by: Dinh Nguyen <dinguyen@opensource.altera.com> Tested-by: John Youn <johnyoun@synopsys.com> Acked-by: John Youn <johnyoun@synopsys.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/dwc2')
-rw-r--r--drivers/usb/dwc2/core_intr.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/usb/dwc2/core_intr.c b/drivers/usb/dwc2/core_intr.c
index 3275310a8fb3..d8a5400a2d2d 100644
--- a/drivers/usb/dwc2/core_intr.c
+++ b/drivers/usb/dwc2/core_intr.c
@@ -356,6 +356,10 @@ static void dwc2_handle_wakeup_detected_intr(struct dwc2_hsotg *hsotg)
/* Change to L0 state */
hsotg->lx_state = DWC2_L0;
} else {
+ if (hsotg->core_params->hibernation) {
+ dwc2_writel(GINTSTS_WKUPINT, hsotg->regs + GINTSTS);
+ return;
+ }
if (hsotg->lx_state != DWC2_L1) {
u32 pcgcctl = dwc2_readl(hsotg->regs + PCGCTL);